* WIP setting up Ethereum key CLI commands
* Functional key gen and showing Ethereum address
* Cleaned up changes
* WIP setting up Ethereum key CLI commands
* Functional key gen and showing Ethereum address
* Cleaned up changes
* Changed address to cosmos specific address
* Remove default bech32 prefixes and add basic add command test
* Changed Private key type to slice of bytes for compatibility and storability
* switch back to using cosmos crypto Keybase interfaces
* Changed key output to ethereum addressing instead of bitcoin and key generation to allow seeding from mnemonic and bip39 password
* Updated show command and added test
* Remove prefix requirement for showing keys and added existing keys commands to CLI temporarily
* Removed unnecessary duplicate code
* Readd prefixes for accounts temporarily
* Fix linting issue
* Remove TODO for setting PK to specific length of bytes (all functions use slice)
* Cleaned up descriptions to remove multi-sigs
* Rename Ethereum tx message
* Use new tx decoder in the ethermint app
* Update ante handler to prevent spam/dos
* Update ethereum msg signing/verification logic
* Implement secp256k1 key types
* Remove pointer from To method
* Move sig check to after inartistic gas check
* Add comment on chainID parsing
* Updated validateIntrinsicGas godoc
* Implement Fee method on eth tx msg
* Add reference to spec for recoverEthSig
* Upgrade TM to v0.27.0
